Are you listed? This directory has interesting capabilities and uses. Follow it for developments. Use the Google search window (go down to right) to search the whole directory.
This is a phone book and webdirectory, but since it is searchable it is not in any strict order - just search!
Need help? email: proplib at gmail.com to change details or link to your web?
When searching in Google or elsewhere - type "SA Cell" after the search term and get instant results.
Find what you want.
When you search on GOOGLE, type in "SA Cell" after the search term and obtain immediate contact details.